A 3 ϕ, 10 kVA, 220 V, Y-connected synchronous generator has Ra = 0:25 Ω per phase and Xs = 5:0 Ω per...

Question

A 3 ϕ, 10 kVA, 220 V, Y-connected synchronous generator has R_a = 0:25 Ω per phase and X_s = 5:0 Ω per phase. Determine the excitation voltage, E_f, when the generator is delivering full load at power factor of

(a) 0.85 lagging.

(b) 1.0 unity.

(c) 0.8 leading.

Robert · Accepted Answer

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A 3 ϕ, 10 kVA, 220 V, Y-connected synchronous generator has R a = 0:25 Ω per phase and X s = 5:0 Ω per phase. Determine the excitation voltage, E f , when the generator is delivering full load at...

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